Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 9 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 09/05/2021   18:54:02   (  -0.03,-137.20) (   0.82,-141.00)  433.50                80
 09/06/2021   18:36:03   (  -0.03,-137.19) (  -0.29,-136.00)  135.09                80
 09/08/2021   06:52:24   (   0.04,-137.17) (  -0.70,-140.61)  390.65                80
 09/09/2021   06:34:25   (   0.04,-137.16) (   0.41,-135.61)  177.66                80
 09/10/2021   18:50:36   (  -0.04,-137.15) (   0.61,-140.17)  342.91                80
 09/11/2021   18:32:37   (  -0.03,-137.14) (  -0.49,-135.17)  224.90                80
 09/13/2021   06:48:57   (   0.03,-137.11) (  -0.55,-139.76)  302.36                80
 09/14/2021   06:30:57   (   0.03,-137.09) (   0.55,-134.76)  264.82                80
 09/15/2021   18:47:09   (  -0.03,-137.06) (   0.46,-139.32)  257.35                80
 09/16/2021   18:29:09   (  -0.03,-137.04) (  -0.65,-134.33)  309.52                80
 09/18/2021   06:45:30   (   0.02,-137.00) (  -0.40,-138.92)  218.60                80